1.3.2 Serial Interface Specifications
Data format:
RS-422 serial
Synchronization:
Asynchronous
Handshaking:
By DTR signal and X-ON/X-OFF protocol
Table 1-10. DTR and X-ON/X-OFF Protocol
State
Buffer Space
DTR
X-ON/X-OFF
Busy
Less than 512 bytes
Off
X-OFF
Ready
More than 1,024 bytes
On
X-ON
Word length
Start bit:
Data bit:
Parity bit:
Stop bit:
1 bit
8 bit
none
1 bit
Bit rate:
57.6K bps /230.4 Kbps
Adaptable connector:
8-pin mini-circular connector
Recommended I/F cable:
Apple
®
System Peripheral-8 cable
Table 1-11. Signal and Connector Pin Assignments for Serial Interface
Pin No.
Signal Name
I/O*
Description
1
DTR
Out
Data terminal ready
2
NC
—
No connection
3
TXD
Out
Transmit data
4
SG
In
Signal ground
5
RXD
In
Receive data
6
TXD
Out
Balanced transmit
7
NC
—
No connection
8
RXD
In
Balanced receive
*
The I/O column indicates the data flow as viewed from the printer.
Product Description
Stylus Pro XL
1-12
Rev.A
Содержание Stylus Pro XL
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